Prestige 334 User’s Guide
Chapter 27 Filter Configuration
266
Figure 142
Example Filter: Menu 21.1.3.1
• Select
Yes
from the
Active
field to activate this rule.
•
6
is the TCP
IP Protocol
.
• The
Port #
for the telnet service (TCP protocol) is 23. See RFC 1060 for port numbers of
well-known services.
• Select
Equal
from the
Port # Comp
field as you are looking for packets going to port 23
only.
• Select
Drop
in the
Action Matched
field so that the packet will be dropped if its
destination is the telnet port.
• Select
Forward
from the
Action Not Matched
field so that the packet will be forwarded
if its destination is not the telnet port.
• Press [SPACE BAR] and then [ENTER] to choose this filter rule type. The first filter rule
type determines all subsequent filter types within a set.
When you press
[ENTER]
to confirm, you will see the following screen. Note that there is
only one filter rule in this set.
Menu 21.1.3.1 - TCP/IP Filter Rule
Filter #: 3,1
Filter Type= TCP/IP Filter Rule
Active= Yes
IP Protocol= 6
IP Source Route= No
Destination: IP Addr= 0.0.0.0
IP Mask= 0.0.0.0
Port #= 23
Port # Comp= Equal
Source: IP Addr= 0.0.0.0
IP Mask= 0.0.0.0
Port #= 0
Port # Comp= None
TCP Estab= No
More= No Log= None
Action Matched= Drop
Action Not Matched= Forward
Press ENTER to Confirm or ESC to Cancel:
Press Space Bar to Toggle.
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